11912159 has 8 divisors (see below), whose sum is σ = 13845120. Its totient is φ = 10037016.

The previous prime is 11912129. The next prime is 11912171. The reversal of 11912159 is 95121911.

11912159 = T₂ + T₃ + ... + T₄₁₄.

11912159 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11912159 - 2¹² = 11908063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11912129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14009 + ... + 14834.

It is an arithmetic number, because the mean of its divisors is an integer number (1730640).

Almost surely, 2^11912159 is an apocalyptic number.

11912159 is a deficient number, since it is larger than the sum of its proper divisors (1932961).

11912159 is an equidigital number, since it uses as much as digits as its factorization.

11912159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28909.

The product of its digits is 810, while the sum is 29.

The square root of 11912159 is about 3451.3995711885. The cubic root of 11912159 is about 228.3828529652.

The spelling of 11912159 in words is "eleven million, nine hundred twelve thousand, one hundred fifty-nine".